Carrier for photographic sensitized material



Feb. 16, 1937. N R B N 2,070,778

CARRIER FOR PHOTOGRAPHIC SENSITIZED MATERIAL Feb. 16, 1937. R BlLLiNG2,070,778

CARRIER FOR PHOTOGRAPHIC SENSITIZED'MATERIAL Filed Jan. 28, 1956ZSheets-Shet z Zap INVEZIZ; 4

Patented Feb. 16, 1937 UNITED STATES PATENT OFFICE CARRIER FORPHOTOGRAPHIC SENSI- TIZED MATERIAL Noel Pemberton Billing, London,England Application January 28, 1936, Serial No. 61,163 In Great BritainFebruary 13, 1935 13 Claims.

I proved form of light shielding carrier for the film or the like inwhich the latter can be sold or handled by the user, Without fear ofaccess of light to the sensitized surface.

In the specification of my prior Letters Patent No. 2,017,709, datedOctober 15, 1935, a construction of film carrier was described in whichinner and outer envelopes are employed and in which the outer envelopewas finally closed by means of an adhesive and in which the sensitizedmaterial was also secured to an element of the carrier by means of anadhesive. It is, generally speaking, very undesirable that adhesivematerial should be available to the workers who are manufacturing andhandling sensitized surfaces or that adhesive material should be used inassembly of a film carrier; and it is an object of the present inventionto provide a film carrier which requires no adhesive to be used duringthe assembly of the sensitized element within the carrier.

According to the invention a carrier for photographic sensitizedmaterial comprises an outer envelope having one wall formed as a mask,and an inner slide to cover the aperture provided in the mask, whereinthe outer envelope is formed entirely by folding the blank of sheetmaterial and is retained in its finished form only by interlockingportions of the folded blank.

The invention also provides in or for such a carrier for photographicsensitized material, an outer envelope or blank therefor comprising asingle sheet of material creased to provide a plurality of panels, thefirst of which is in the form of a mask and a (or the) second of whichis formed with interlocking portions to secure it in position whenfolded over the first and any remaining panels. Preferably the sheetmaterial is provided with a third panel to constitute a supporting andretaining backing for the sensitized material, which third panel isconveniently provided at that side which is located or to be locatedparallel with and adjacent to the open end of the folded envelope, withan extension foldable about one edge of the light sensitive material tolie against one or more margins of the front face of that material.

The inner slide of a film carrier constructed in accordance with theinvention is preferably in the form of an envelope or pocket to enclosethe light sensitive material which is passed into an open end of thesaid envelope or pocket. Preferably also the interlocking portions ofthe outer envelope or blank therefor comprise foldable flaps providedalong edge portions of the blank to fold over and engage other edgeportions thereof. 5

In order that the invention may be more clearly understood a preferredconstructional example will be described with reference to theaccompanying drawings, in which:-

Figure 1 is a plan view of the blank for the 1 outer envelope,

Figure 2 is a similar plan view of the blank for the inner slide,

Figure 3 is a rear plan view of the inner slide,

Figure 4 is a view showing the application of 15 the'inner slide to aposition enclosing a film and film supporting portion of the blank shownin Figure 1,

Figure 5 is a front view of the completed carrier,

Figure 6 is a view of the completed carrier with 2 the slide withdrawnto expose the film,

Figure 7 is a section on the line 1-1 of Figure 5,

Figure 8 is a section on the line 8-8 of Figure 5, and

25 Figure 9 is a section on the line 99 of Figure 6.

Like reference numerals are employed to denote like parts in the severalfigures of the drawings.

The blank shown in Figure 1 is provided with folds dividing it into fourpanels, the first of 3 which is in the form of a mask Ill. Connected tothe mask In on the left-hand side is a second panel H, the line ofdemarcation between the panels I0 and l I being indicated by a fold linel2. The upper edges of the panel II is bounded 35 by a fold line 13which also bounds one edge of a flap I4 secured to the top edge of thepanel I I. At the lower edge of the panel H is a fold line l5 which alsobounds a flap l6 itself carrying a flap ll bounded by the fold line l8.As 40 will be seen from the drawings the flap ll has a length somewhatless than that of the panel II and the edges of the flap I 6 are shapedto run from the smaller length of the panel I! to the full length of thefold line l5. The upper flap 4 I4 is similarly provided with slopingedges I9.

The lower side of the mask I0 is bounded by a fold line 20' which alsoconstitutes the upper boundary of a third panel 2| provided with a flap22 along its lower edge 23 demarcated by the 5 fold line. The width ofthe panel 2| is slightly less than that of the mask ID or of the panel Hwhich is of size substantially equal to that of the mask Ill. Thejunction of the panel 20 and the mask in is accordingly out with smallfillet 5 portions 22 running from the reduced width of the panel 2| tothe full width of the mask I0.

The right-hand edge of the mask I0 is bounded by a fold line 24 whichalso forms one boundary of a fourth panel 25, and the upper edge of themask In is bounded by a fold line 26 also forming one boundary of arectangular flap 2'! of relatively small width.

The blank shown in Figure 2 is also prepared from sheet material, and isfolded up to the finished form shown in Figure 3 to constitute an innerslide or envelope for the carrier. As will be seen from Figure 2 theblank comprises a front panel 28 bounded by a fold line 29 which dividesthe panel 28 from a side panel 3i). The panel 28 is of slightly greaterlength than the panel 30 and is provided with a flap 3| at its upperedge. A further side panel is provided on the other side of the panel 28being divided therefrom by a fold line 33 and the panel 32 is providedwith a flap 34 at its lower edge. From the position shown in Figure 2the side panel 30 is raised and folded over the panel 28 about the foldline 29 and the side panel 32 similarly raised and folded on top of thefolded panel 3|] to which it is secured over the total surface ofcontact between the panels 30 and 32. An envelope which is open at bothends is thus produced and the flap 3| is then folded over the unitedpanels 30 and 32 and secured in this position by means of adhesive. Theflap 34 on the panel 32 is then folded upwardly from the inwardposition, that is to say, to produce an outward fold along one edge ofthe open mouth of the envelope; the envelope is then of the form shownin Figure 3, and a number of inner slides or envelopes can be preparedin this manner and stored for use in assembling a film carrierconstructed in accordance with the invention.

In assembling a film carrier from the inner envelope or slide shown inFigure 3 and from the blank shown in Figure l the material having alight sensitive surface is placed on the panel 2| and the flap 22 foldedupwardly about the line 23 and the lower edge of the light sensitivematerial so that the fiap 22 embraces the said edge. It will beunderstood that the light sensitive'surface will be the upper surfaceopposite to that lying adjacent to the panel 2|. The light sensitivematerial is conveniently formed from out film and the word film will beemployed hereinafter to refer to the light sensitive material mountedwithin the carrier. The film supporting or backing panel 2| is thenfolded together with the film about the line 20 so that the lightsensitive surface of the film is exposed through the mask whilst thefilm itself is supported by the backing panel 2|. The flap 21 providedalong the upper edge of the mask is also folded upwardly and inwardlyabout the line 26 and the form of envelope shown in Figure 3 is passedover the film and its backing 2|. At this stage the parts will be in theposition approximately as shown in Figure 4 in which film 35 and itsbacking 2| are shown passing into the open end of an en- Velope of theform shown in Figure 3.

The panel 25 is next folded upwardly about the line 24 to overlie theinner sliding envelope and the panel II is folded about the line l2 tooverlie the panel 25, the flap M of the panel it also being foldeddownwardly and inwardly about the line l3 to embrace the upper edge ofthe panel 25. 'Ihe'flaps l6 and I! are finally folded about the loweredge of the assembled parts so that the flap l6 overlies the lowermargin of the mask I0 and the flap I1 is folded inwardly over the inneredge of the said lower margin of the mask. It will be appreciated thatthe inwardly folded flap ill causes an outward springing of the lowermargin of the mask l9 and facilitates a closing movement of the innerslide by ensuring that the lower edge of the front panel 28 of thatslide passes underneath the lower margin of the mask II]. A front viewof the completed and closed envelope is seen in Figure 5 and of theopened envelope is seen in Figure 6. According to a modified form ofconstruction the flap I! may be folded outwardly, and the fiap I6 isthen preferably passed into a slot along the base of the mask l0 so asto lie between the lower margin of the mask. Alternatively the flap maybe folded outwardly by being doubled back on itself.

Figures 7, 8 and 9 represent the sectional views previously referred tobut it will be appreciated that the various parts of the envelope havebeen drawn on a large scale and of an exaggerated thickness and withconsiderable clearance shown between the various parts in order that thefigures may be understood. Ordinarily since the film carrier is made ofsheet material the parts will lie very closely adjacent to and incontact with one another and the total thickness of the actual sectionsrepresented in Figures '7, 8 and 9' will be very small.

By reference to Figure '7 the order in which the panels 2|, 25 and H arefolded to overlie one another will be appreciated and by reference toFigures 8 and 9 the manner in which the various flaps provided at theupper and lower edges of the panels of the blanks are folded intoposition will also be more clearly understood. Figure 9 illustrates moreparticularly the manner in which the flap 34 on'the inner envelope orslide cooperates with the flap M of the panel H to limit the extentofthe outward movement of the inner envelope or slide.

It will also be noted from the drawings that the inner envelope is madelonger than the outer,

envelope so that a free end is presented by means of which the innerenvelope can be manipulated and conveniently a stick-on seal is appliedto overlie a portion of the back of this extension and of an adjacentportion of the outer envelope so as to prevent accidental orunauthorized removal of the inner envelope until required for use. Thefoldable sheet material from which the carrier is formed will normallybe of paper preferably of a type normally employed for such carriers'andcomprising sheets of black and red paper secured together in surfacecontact. The two parts of the envelope will then be folded so thateither the black or the red surface of the paper according to individualpreference, constitutes the inner surfaces of the completed carrier. Itis for this reason that the sectional views in the drawings show thevarious panels as consisting of two layers of sheet material.

The invention is not limited to the precise forms of blank describedabove for the inner and outer envelopes provided that the outer envelopeblank affords the necessary interlocking between its parts in order toavoid the use of an adhesive. For example, the two side panels and 25could be interlocked by other means than those described and additionalflaps can be provided to take the place of the fiap I4 and tuck-inextensions i6 and H.

In a further modification instead of a short turned-in edge 22 of theupper end of the panel 2| for engaging the edge of the film, thisturnedin portion could be replaced by an "extension equal in length tothat of the paneizl 'an'd 'cut as a mask so as to'exposethe lightsensitive surface of the film when folded back completely over the film.'Ihepanel 2| might also be provided with an end extension of the sidepan'el'25 which is the first side panel to be folded inwardly duringassembly of the envelope.

It will also be readily understood th'attwo films may be placed in asingle carrier in which they are normally both enclosed by the innerenvelope. The outer envelope has in this case opposite faces which areeach formed asa mask and the films are arranged with their sensitizedsurfaces facing outwardly, the panel providing a backing for the filmsextending between the latter. When the inner envelope of such a carrieris moved outwardly the two films will be exposed through theirrespectivemasks. In use, however, one carrier will be held in alight-tight closure member for the camera or other apparatus being usedand only one sensitized surface will be treated in the apparatus sincethe closure member prevents access to the second film surface. To usethe second film the carrier is reclosed, removed from the closure memberor other apparatus and reinserted in the latter so that the positions ofits opposite faces are reversed.

I claim:

1. A carrier for photographic sensitized material formed entirely offlexible paper-like material and comprising an outer envelope which hasone wall apertured to provide a mask through which the sensitizedmaterial can be exposed and which is constituted by a folded blank ofsheet material retained in its folded condition only by interlockingportions of the folded blank and comprising also an inner slide to coverthe aperture of the mask.

2. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a plurality of panels, thefirst of which is in the form of a mask to constitute the front wall ofthe enevelope, and a second of which is formed with interlocking flapsto secure the second panel in position as the rear wall of the envelopewhen folded over the first and any remaining panels.

3. An outer envelope or blank according to claim 2, in which theinterlocking flaps are formed for folding over edge portions of thefirst and any remaining panels.

4. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask to constitute the front wall of the envelope, asecond panel which is formed with interlocking por-, tions to secure itin position when folded over the first and any remaining panels toconstitute the rear wall of the envelope, and a third panel toconstitute a supporting and retaining backing for the sensitizedmaterial within the folded envelope.

5. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask to constitute the front wall of the envelope, asecond panel which is formed with interlocking portions to secure it inposition when folded over the first and any remaining panels toconstitute the rearwallof the envelopa and a third panel, to constitutea supporting and retaining backing for the sensitized material withinthe folded envelope, formed withan extension which is located or to belocated parallel with and adjacent to theopen end of the folded envelopeand is foldable about one edge of the light sensitive material to lieagainst at least one margin of the front face of that material.

6. A a film carrier for photogrphic sensitized material as claimed inclaim 1 in which the inner slide is in the form of an envelope or pocketto enclose the light senstive material which is passed into an open endof the said envelope or pocket.

7. A film carrier for photographic sensitized material as claimed inclaim 1 in which the inner slide is in the form of an envelope or pocketto enclose the light sensitive material which is passed into an open endof the said envelope or pocket, and in which interengaging fiaps on theinner and outer envelopes are formed to restrict the outward movement ofthe inner envelope or slide.

8. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask, a second panel which is located on one side of themask and is formed with interlocking portions to secure it in positionwhen folded over the first and any remaining panels, a third panel whichconstitutes a supporting and retaining backing for the sensitizedsurface and is formed at one end of one of the remaining panels, and afourth panel located on that side of the mask opposite to that on whichthe second panel is located.

9. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a plurality of panels thefirst of which is in the form of a mask and a second of which is formedwith interlocking portions to secure it in position when folded over thefirst and any remaining panels, one of which interlocking portionscomprises a flap at oneedge of the second panel to fold over and embraceone margin of the mask and preferably that end margin which is remotefrom the open end of the carrier.

10. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask, a second panel which is located on one side of themask and is formed with interlocking portions to secure it in positionwhen folded over the first and any remaining panels, a third panel whichconstitutes a supporting and retaining backing for the sensitizedsurface and is formed at one end of one of the remainding panels, and afourth panel located on that side of the mask opposite to that on whichthe second panel is located, one of said interlocking portions of thesecond panel comprising a flap at one end of the panel to fold over andengage one end of the fourth panel so that the second and fourth panelstogether constitute the rear side of the outer envelope.

11. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask, a sec- 0nd panel which is formed with interlockingportions to secure'it in position when folded over the first and anyremaining panels, and a third panel, to constitute a supporting andretaining: backing for the sensitized material, fon'ned with, anextension which, is located or to be located parallel with and adjacentto the open end of the: foldedenvelope and isfoldable about one edge ofthe light sensitive material to lie against at least one margin of thefront face of that material, one of said interlocking portions of thesecond panel comprising a flap at one edge of the second panel to foldover and embrace one margin of the mask and preferably that end marginwhich is remote from the open end of the carrier.

12. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask, a second panel which is located on one side of themask and is formed with interlocking portions to secure it in positionwhen folded over the first and any remaining panels, a third panel whichconstitutes a supporting and retaining backing for the sensitizedsurface and is formed at one end of one of the remaining panels, and afourth panel located on that side of the mask opposite to that on whicthe second panel is located,

one of said interlocking portions of the second panel comprising a flapat one edge of the second panel to fold over and embrace one margin ofthe mask and preferably that end margin which is remote from the openend of the carrier.

13. An outer envelope or blank for a carrier for photographic sensitizedmaterial formed entirely of flexible paper-like material, comprising asingle sheet of material creased to provide a first panel which is inthe form of a mask, a second panel which is located on one side of themask and is formed with interlocking portions to secure it in positionwhen folded over the first and any remaining panels, a third panel whichconstitutes a supporting and retaining backing for the sensitizedsurface and is formed at one end of the mask, and a fourth panel locatedon that side of the mask opposite to that on which the second panel .islocated, said interlocking portions of the second panel comprising aflap at one end of the second. panel to fold over and engage one end ofthe fourth panel so that the second and fourth panels togetherconstitute the rear side of the outer envelope, and aflap at the otherend of the second panel to fold over and embrace one margin of the maskand preferably that end margin which is remote from the open end of thecarrier.

NOEL .PEIVEBERTON BILLING.

